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NA 109

DIN Standards Committee Petroleum and Natural Gas Industries

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Drafts of NA 109

Number: 21

DIN EN ISO 10426-4 2018-03 Petroleum and natural gas industries - Cements and materials for well cementing - Part 4: Preparation and testing of foamed cement slurries at atmospheric pressure (ISO/DIS 10426-4:2018); English version prEN ISO 10426-4:2018 More 

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